Question: What are the aspect of histor which start with the letter r
Paraphrase: What are the viewpoint of histor which begin with the letter r
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q17524420 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'r')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Roman Republican currency, Roman Republican currency, Rail transport in fiction, Rail transport in fiction, Roman Imperial coinage, Roman Imperial coinage, Roman currency, Roman currency, rail transport in Paraguay, rail transport in Paraguay, religion and homosexuality, religion and homosexuality, religion and belief in Hamburg, religion and belief in Hamburg, reionization, reionization, Railway Protection Movement, Railway Protection Movement, renaissance architecture in Zaragoza, renaissance architecture in Zaragoza, racial segregation in the United States Armed Forces, racial segregation in the United States Armed Forces, Railroads--Great Britain--History, Railroads--Great Britain--History, Real Madrid C.F. kit history, Real Madrid C.F. kit history, R.S.C. Anderlecht in European football, R.S.C. Anderlecht in European football, rock & roll history, rock & roll history, Role of the harp in Welsh history, Role of the harp in Welsh history, Republic of the Sudan, Republic of the Sudan, Rhinoceroses in art, Rhinoceroses in art, Rural Reconstruction Movement, Rural Reconstruction Movement, racial policy of Nazi Germany, racial policy of Nazi Germany, Regency of the Mexican Empire, Regency of the Mexican Empire, Rally de La Nucía-Mediterráneo - Trofeo Costa Blanca, Rally de La Nucía-Mediterráneo - Trofeo Costa Blanca, Role of Douglas Haig in 1918, Role of Douglas Haig in 1918, RCD Espanyol seasons, RCD Espanyol seasons, Roman Imperial officials in Britain, Roman Imperial officials in Britain